package com.itheima.reggie.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.User;
import com.itheima.reggie.mapper.UserMapper;
import com.itheima.reggie.service.UserService;
import com.itheima.reggie.utils.MailUtils;
import com.itheima.reggie.utils.ValidateCodeUtils;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Service;

import java.util.Map;
import java.util.concurrent.TimeUnit;

@Slf4j
@Service
public class UserServiceImpl extends ServiceImpl<UserMapper, User> implements UserService {

    @Autowired
    RedisTemplate redisTemplate;

    @Autowired
    MailUtils mailUtils;

    @Override
    public R<String> sendMsg(String phone) {

        if (StringUtils.isNotEmpty(phone)) {
            //生成随机的4位验证码
            String code = ValidateCodeUtils.generateValidateCode(4).toString();
            log.info("code={}", code);

            //调用阿里云提供的短信服务API完成发送短信
//            SMSUtils.sendMessage("瑞吉外卖","",phone,code);

            //缓存验证码到redis中 设置有效期5分钟
            redisTemplate.opsForValue().set(phone, code, 10, TimeUnit.MINUTES);

            return R.success("手机验证码短信发送成功");
        }

        return R.error("短信发送失败");
    }

    @Override
    public R<String> sendEmail(String phone) {

        if (StringUtils.isNotEmpty(phone)) {
            //生成随机的4位验证码
            String code = ValidateCodeUtils.generateValidateCode(4).toString();
            log.info("code={}", code);

            // 调用qq邮箱API完成发送邮箱
            mailUtils.sendMail(phone + "@qq.com", "登录验证码为：" + code + ",请勿泄露", "外卖系统");

            //调用阿里云提供的短信服务API完成发送短信
//            SMSUtils.sendMessage("瑞吉外卖","",phone,code);

            //缓存验证码到redis中 设置有效期5分钟
            redisTemplate.opsForValue().set(phone, code, 10, TimeUnit.MINUTES);

            return R.success("邮箱验证码发送成功");
        }

        return R.error("邮箱发送失败");
    }

    @Override
    public R<User> login(Map map) {
        //获取手机号
        String phone = map.get("phone").toString();

        //获取验证码
        String code = map.get("code").toString();

        //从redis中获取验证码
        Object codeInSession = redisTemplate.opsForValue().get(phone);

        //进行验证码的比对（页面提交的验证码和Session中保存的验证码比对）
        if(codeInSession != null && codeInSession.equals(code)){
            //如果能够比对成功，说明登录成功

            LambdaQueryWrapper<User> queryWrapper = new LambdaQueryWrapper<>();
            queryWrapper.eq(User::getPhone,phone);

            User user = this.getOne(queryWrapper);
            if(user == null){
                //判断当前手机号对应的用户是否为新用户，如果是新用户就自动完成注册
                user = new User();
                user.setPhone(phone);
                user.setStatus(1);
                this.save(user);
            }
//            session.setAttribute("user",user.getId());

            //登陆成功从redis中删除
            redisTemplate.delete(phone);

            return R.success(user);
        }
        return R.error("登录失败");
    }
}
